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NTN 3877 is an inch-series single-row tapered roller bearing with a straight bore. Designed for radial and axial loads in gearboxes, wheel hubs, and industrial machinery.
MODEL 3877
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$46.70 Each
Prices are subject to change
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Height
3.375
I.D.
1.6255 in
Length
3.375
O.D.
3.375 in
Width
1.1875
Technical Specifications
Type | Cone |
Bore Type | Round |
Material | Case Carburized Steel |
Static Load Rating | 29700 lbf132000 N132.00 kN |
Dynamic Load Rating | 23600 lbf105000 N105.00 kN |
Weight | 1.142 lb0.518 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Y2 (Axial Load Factor) | 1.49 |
e (Axial Load Factor) | 0.40 |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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